Pioneer VSX-C300 Service Manual - Page 60

Pioneer VSX-C300 Manual

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VSX-C300 • Pin Function No. Pin Name 1 ASO 2 ACK 3 AREQ 4 Not used 5 M_DO 6 M_DI 7 M_CK 8 BYTE 9 T-PGM/OE 10 M_CS2 11 M_READY 12 RESET 13 XOUT 14 Vss 15 XIN 16 Vcc 17 NMI 18 M_CS1 19 Not used 20 Not used 21 Not used 22 Not used 23 Not used 24 Not used 25 Not used 26 Not used 27 Not used 28 Not used 29 Not used 30 Not used 31 TXD 32 RXD 33 T-SCLK 34 T-BUSY 35 CSDO 36 CDT 37 CCK 38 CRST 39 CREQ 40 ABOT 41 Vss 42 CCS 43 CA17 44 CA16 45 CA15 46 T-Vdd 47 Not used 48 MUTE 49 ADMD 50 DT I/O Function O DSP O Not used O Data output to the main microcomputer I Data input from the main microcomputer I Clock input for communicate with the main microcomputer I GND I Pull-down to CNVss and GND (for FLASH rewrite) O CS output for main microcomputer communication O READY output for main microcomputer communication − Reset from the main microcomputer − Oscillator − GND − Oscillator − 5V I 5V I CS input for main microcomputer communication O Not used O I For FLASH rewrite I O O I O For crystal DSP O I O O For crystal DSP O I 5V O Not used O For E-SW (TC9164) 60

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Pin Function